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authorAlon Zakai <alonzakai@gmail.com>2011-08-13 13:25:09 -0700
committerAlon Zakai <alonzakai@gmail.com>2011-08-13 13:25:09 -0700
commitb680c96640fef3f67d4d96c95231dd57a9535f6f (patch)
tree81c6b7ab01f9c76d23e5b6745c74ed3cd43fcae3
parent405d1fcab467e4066729e2fe71c9e803672ef745 (diff)
endianness runtime check for ta2
-rw-r--r--src/preamble.js4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/preamble.js b/src/preamble.js
index 8feb43e9..bda76c80 100644
--- a/src/preamble.js
+++ b/src/preamble.js
@@ -446,6 +446,10 @@ if (HAS_TYPED_ARRAYS) {
HEAPU16 = new Uint16Array(buffer);
HEAPU32 = new Uint32Array(buffer);
HEAPF32 = new Float32Array(buffer);
+
+ // Endianness check (note: assumes compiler arch was little-endian)
+ HEAP32[0] = 255;
+ assert(HEAPU8[0] === 255 && HEAPU8[3] === 0, 'Typed arrays 2 must be run on a little-endian system');
#endif
} else
#endif